450ml double wall, vacuum insulated stainless steel drink bottle with tea infuser and matt finish. It will keep drinks cold for 24 hours or hot for up to 12 hours. The Milford bottle has a secure screw on wood look lid and is presented in a white gift box or optional gift tube at an additional price. Laser engraving is available on the lid for a dark burnt look. This product is BPA-free. This product is not dishwasher safe and handwashing is recommended.